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April Weather in Trenton, United States

Last updated: June 24, 2025

In Trenton, United States, the average temperature in April is a pleasant 21°C (70°F). However, you can expect variations, with minimums dipping to 3°C (38°F) and maximums soaring to 34°C (93°F). During this month, total precipitation reaches about 78 mm (3.1 in) over 7 days, accompanied by an average humidity of 77%—perfect for enjoying the local scenery!

April Temperature in Trenton

In April, in Trenton, the average temperature is 21°C (70°F). Maximum temperatures can reach as high as 34°C (93°F) while minimums can drop to a chilly 3°C (38°F). This diverse climate makes Trenton an ideal destination for travelers seeking both warm and cool weather experiences.

April Weather in Trenton: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Trenton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Trenton, April typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec566365707780818180766459
Data source: Temperature data for Trenton generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Trenton

In Trenton in April, the total precipitation amount is 78 mm (3.1 in) over a duration of 7 days.

April Precipitation Trends in Trenton

The chart displays monthly precipitation patterns in Trenton, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Trenton, April typically receives around 78 mm (3.1 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec55673578981701861781267257102
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Trenton

In Trenton in April, humidity is 77%. With an average temperature of 21°C (70°F), this humidity feels like a warm, slightly sticky embrace, making travel invigorating yet slightly uncomfortable as you navigate the vibrant streets and outdoor attractions.

April Average Humidity in Trenton

This chart illustrates the average monthly humidity levels in Trenton, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Trenton is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%78%77%75%76%79%78%83%81%83%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Trenton

In Trenton in April, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Trenton.

Maximum UV Index Levels in Trenton for April

The chart shows the monthly maximum UV Index (UVI) for Trenton in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Trenton typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111111110975
Data source: Trenton April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in Trenton Compares to Other Months

Weather in Trenton varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Trenton, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Trenton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (57°F)55 mm (2.2 inches)83%moderate
February Weather17°C (63°F)67 mm (2.6 inches)82%very high
March Weather18°C (65°F)35 mm (1.4 inches)78%very high
April Weather21°C (70°F)78 mm (3.1 inches)77%extreme
May Weather25°C (77°F)98 mm (3.9 inches)75%extreme
June Weather27°C (80°F)170 mm (6.7 inches)76%extreme
July Weather27°C (81°F)186 mm (7.3 inches)79%extreme
August Weather27°C (82°F)178 mm (7.0 inches)78%extreme
September Weather27°C (80°F)126 mm (5.0 inches)83%very high
October Weather24°C (76°F)72 mm (2.8 inches)81%very high
November Weather18°C (64°F)57 mm (2.2 inches)83%high
December Weather15°C (60°F)102 mm (4.0 inches)86%moderate

Compare Trenton's Climate with Cities Worldwide